You'll find steps below on configuring your company's firewall and mail servers, to ensure your users can access Pluralsight Skills.
Please make certain you configure the following hosts as trusted senders on your email server and firewall so that mail from Pluralsight isn't rejected.
- Mandrill, IP address 18.104.22.168
- Sparkpost, IP addresses 22.214.171.124 and 126.96.36.199, @appmail.pluralsight.com
Please make sure email@example.com and @appmail.pluralsight.com are not routed to spam. If you don't do this, your users may not receive their business subscription invitations and password reset emails.
If your organization elects into customer marketing communications, typically around adoption and engagement, please whitelist and configure this host as a trusted sender on your email server and firewall:
- Marketo, @create.pluralsight.com, IP address 188.8.131.52
This is optional and only necessary for organizations that are working with Pluralsight and using customer marketing communications.
Be sure to whitelist the following hosts in your firewall for outbound TCP connections over ports 80 and 443 (for HTTP and HTTPS, respectively):
For Pluralsight Skills interactive courses, please also allow WSS traffic over port 443.
Pluralsight Skills uses Cloudflare, Cachefly, Edgecast, and AWS.
To view all Cloudflare IP addresses, please see this Cloudflare list.
To view Cachefly IPs, see this Cachefly list.
To view Edgecast IPs, see this Edgecast list.
- To view our Amazon AWS IP addresses (US-West-2 and Cloudfront), please see this AWS list.
To verify that a local firewall is not blocking access to our video servers, please try downloading this 40MB video file directly from our content delivery network here. If your firewall is rejecting our videos, you'll likely see 403 Forbidden. This may include a message explaining why your firewall blocked your request.
If you still are having issues with our content, especially playing videos, please reach out to your IT Ops team to make sure the subdomains below are allowed through your network firewall and any security appliance.
|Subdomains||Content delivery network|
Video course exercise files
To allow your users to download and use exercise files associated with video courses, please add the following domain:
To view and use discussion boards on video courses and projects, please whitelist Disqus.com.
|Projects||Labs and Sandboxes||Interactive Courses|
Pluralsight Skills projects require local access to your command line and an IDE, and network access to the following:
In addition, projects requires access to github.com, and the ability to clone a repository and install required software locally.
|Required for general labs and sandboxes:|
For AWS labs, please allow this list of IP addresses.
|For Pluralsight Skills interactive courses, please allow WSS traffic over port 443.|
For Pluralsight Flow access: if you’re using Flow with an internal server or behind a firewall, please whitelist Flow’s static IP addresses.
If you need help, please email firstname.lastname@example.org for 24/7 assistance.